/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2023 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "bitmap.h"
#include "fonts.h"
#include "horse_anim.h"
#include "ssd1306.h"

#include "MAX6675.h"
#include <stdio.h>


#include "printf.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
ADC_HandleTypeDef hadc1;

I2C_HandleTypeDef hi2c1;

SPI_HandleTypeDef hspi1;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_SPI1_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_ADC1_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
float temp = 0;
char temp_str[10];
uint16_t adc1_value = 0;
HAL_StatusTypeDef status;
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_I2C1_Init();
  MX_SPI1_Init();
  MX_USART1_UART_Init();
  MX_ADC1_Init();
  /* USER CODE BEGIN 2 */
  SSD1306_Init();

  SSD1306_GotoXY(0, 0);
  SSD1306_Puts("HELLO", &Font_11x18, 1);
  SSD1306_GotoXY(10, 30);
  SSD1306_Puts("  WORLD :)", &Font_11x18, 1);

  SSD1306_UpdateScreen();

  HAL_Delay(2500);

  // SSD1306_ScrollRight(0, 7); // scroll entire screen
  // HAL_Delay(2000);           // 2 sec

  // SSD1306_ScrollLeft(0, 7); // scroll entire screen
  // HAL_Delay(2000);          // 2 sec

  // SSD1306_Stopscroll();
  // SSD1306_Clear();

  // SSD1306_DrawBitmap(0, 0, logo, 128, 64, 1);
  // SSD1306_UpdateScreen();

  // HAL_Delay(2000);

  // SSD1306_ScrollRight(0x00, 0x0f); // scroll entire screen right

  // HAL_Delay(2000);

  // SSD1306_ScrollLeft(0x00, 0x0f); // scroll entire screen left

  // HAL_Delay(2000);

  // SSD1306_Scrolldiagright(0x00, 0x0f); // scroll entire screen diagonal right

  // HAL_Delay(2000);

  // SSD1306_Scrolldiagleft(0x00, 0x0f); // scroll entire screen diagonal left

  // HAL_Delay(2000);

  // SSD1306_Stopscroll(); // stop scrolling. If not done, screen will keep on
  //                       // scrolling

  // SSD1306_InvertDisplay(1); // invert the display

  // HAL_Delay(2000);

  // SSD1306_InvertDisplay(0); // normalize the display
  //                           //

  // HAL_Delay(2000);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1) {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
    temp = Max6675_Read_Temp(&hspi1);

    SSD1306_Clear();
    SSD1306_GotoXY(0, 0);
    SSD1306_Puts("TEMPRATURE", &Font_11x18, 1);
    SSD1306_GotoXY(10, 20);
    // Put temperature value to oled screen
    SSD1306_Puts(":", &Font_11x18, 1);
    char temp_str[10];
    sprintf(temp_str, "%.2f", temp);
    SSD1306_Puts(temp_str, &Font_11x18, 1);



    // OUT put temperature value to UART1 huart1
    // append \r\n to the end of string temp_str
    sprintf(temp_str, "%.2f\r\n", temp);
    HAL_UART_Transmit(&huart1, (uint8_t *)temp_str, strlen(temp_str),
                      HAL_MAX_DELAY);

    // get adc1 value
    HAL_ADC_Start(&hadc1);

    status = HAL_ADC_PollForConversion(&hadc1, HAL_MAX_DELAY);
    if (status == HAL_OK) {
      adc1_value = HAL_ADC_GetValue(&hadc1);
      // HAL_ADC_Stop(&hadc1);

      SSD1306_GotoXY(10, 40);
      SSD1306_Puts(":", &Font_11x18, 1);
      char temp_str1[10];
      // convert adc1 value to string
      sprintf(temp_str1, "%d", adc1_value);
      // sprintf(temp_str1, "%.2f", adc1_value);
      SSD1306_Puts(temp_str1, &Font_11x18, 1);


      // OUT put adc1 value to UART1 huart1
      // append \r\n to the end of string temp_str
      sprintf(temp_str1, "%d\r\n", adc1_value);
      HAL_UART_Transmit(&huart1, (uint8_t *)temp_str1, strlen(temp_str1),
                        HAL_MAX_DELAY);
    }

    SSD1306_UpdateScreen();
    //// HORSE ANIMATION START //////

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse1,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse2,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse3,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse4,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse5,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse6,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse7,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse8,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse9,128,64,1);
    // SSD1306_UpdateScreen();

    // SSD1306_Clear();
    // SSD1306_DrawBitmap(0,0,horse10,128,64,1);
    // SSD1306_UpdateScreen();

    //// HORSE ANIMATION ENDS //////
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief ADC1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_ADC1_Init(void)
{

  /* USER CODE BEGIN ADC1_Init 0 */

  /* USER CODE END ADC1_Init 0 */

  ADC_ChannelConfTypeDef sConfig = {0};

  /* USER CODE BEGIN ADC1_Init 1 */

  /* USER CODE END ADC1_Init 1 */

  /** Common config
  */
  hadc1.Instance = ADC1;
  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
  hadc1.Init.ContinuousConvMode = DISABLE;
  hadc1.Init.DiscontinuousConvMode = DISABLE;
  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  hadc1.Init.NbrOfConversion = 1;
  if (HAL_ADC_Init(&hadc1) != HAL_OK)
  {
    Error_Handler();
  }

  /** Configure Regular Channel
  */
  sConfig.Channel = ADC_CHANNEL_1;
  sConfig.Rank = ADC_REGULAR_RANK_1;
  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN ADC1_Init 2 */

  /* USER CODE END ADC1_Init 2 */

}

/**
  * @brief I2C1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_I2C1_Init(void)
{

  /* USER CODE BEGIN I2C1_Init 0 */

  /* USER CODE END I2C1_Init 0 */

  /* USER CODE BEGIN I2C1_Init 1 */

  /* USER CODE END I2C1_Init 1 */
  hi2c1.Instance = I2C1;
  hi2c1.Init.ClockSpeed = 400000;
  hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN I2C1_Init 2 */

  /* USER CODE END I2C1_Init 2 */

}

/**
  * @brief SPI1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_SPI1_Init(void)
{

  /* USER CODE BEGIN SPI1_Init 0 */

  /* USER CODE END SPI1_Init 0 */

  /* USER CODE BEGIN SPI1_Init 1 */

  /* USER CODE END SPI1_Init 1 */
  /* SPI1 parameter configuration*/
  hspi1.Instance = SPI1;
  hspi1.Init.Mode = SPI_MODE_MASTER;
  hspi1.Init.Direction = SPI_DIRECTION_2LINES_RXONLY;
  hspi1.Init.DataSize = SPI_DATASIZE_16BIT;
  hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  hspi1.Init.NSS = SPI_NSS_SOFT;
  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  hspi1.Init.CRCPolynomial = 10;
  if (HAL_SPI_Init(&hspi1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN SPI1_Init 2 */

  /* USER CODE END SPI1_Init 2 */

}

/**
  * @brief USART1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART1_UART_Init(void)
{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(CS_GPIO_Port, CS_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : CS_Pin */
  GPIO_InitStruct.Pin = CS_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(CS_GPIO_Port, &GPIO_InitStruct);

/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1) {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line
     number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file,
     line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
